[ath9k-devel] [PATCHv2] ath9k: remove eeprom txgain override for minor version < 19

[John W. Linville <linville@tuxdriver.com>]

On Wed, Aug 03, 2011 at 04:35:16PM +0200, Marek Lindner wrote:
> ath9k_hw_4k_get_eeprom() overrides the eeprom value for txgain if the
> minor version is not 19 or above with a value of 0.
> ar9002_hw_init_mode_gain_regs() relies on this information to
> determine whether this is a high power wifi card or not. The override
> caused the driver to always use the 'normal' power tables even for
> high power devices if their minor version was not high enough. Thus
> leading to reduced power output.
> 
> This isn't needed for the AR9285; the check originated with the 
> AR9280 setup code which requires the EEPROM version check.
> 
> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
> ---
>  drivers/net/wireless/ath/ath9k/eeprom_4k.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
> index 5b1e894..10f3072 100644
> --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
> +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
> @@ -237,10 +237,7 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah,
>  	case EEP_ANT_DIV_CTL1:
>  		return pModal->antdiv_ctl1;
>  	case EEP_TXGAIN_TYPE:
> -		if (ver_minor >= AR5416_EEP_MINOR_VER_19)
> -			return pBase->txGainType;
> -		else
> -			return AR5416_EEP_TXGAIN_ORIGINAL;
> +		return pBase->txGainType;
>  	default:
>  		return 0;
>  	}

Any chance for an ACK from someone from Atheros on the ath9k team?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville at tuxdriver.com			might be all we have.  Be ready.